Mercurial > hg
annotate mercurial/error.py @ 36160:9fd8c2a3db5a
narrowspec: move module into core
Having support for parsing the narrow specification in core is
necessary for moving many other parts of narrow to core.
We do still want to harmonize the narrow spec with the sparse
spec. And the format needs to be documented. But this shouldn't
hold up the code moving to core.
Differential Revision: https://phab.mercurial-scm.org/D2201
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 12 Feb 2018 16:21:34 -0800 |
parents | 795bfa2a9103 |
children | c6a7b99f150a |
rev | line source |
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1 # error.py - Mercurial exceptions |
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2 # |
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3 # Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
7633 | 7 |
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8 """Mercurial exceptions. |
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9 |
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10 This allows us to catch exceptions at higher levels without forcing |
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11 imports. |
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12 """ |
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13 |
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14 from __future__ import absolute_import |
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15 |
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16 # Do not import anything but pycompat here, please |
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17 from . import pycompat |
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18 |
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19 def _tobytes(exc): |
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20 """Byte-stringify exception in the same way as BaseException_str()""" |
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21 if not exc.args: |
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22 return b'' |
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23 if len(exc.args) == 1: |
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24 return pycompat.bytestr(exc.args[0]) |
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25 return b'(%s)' % b', '.join(b"'%s'" % pycompat.bytestr(a) for a in exc.args) |
7633 | 26 |
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27 class Hint(object): |
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28 """Mix-in to provide a hint of an error |
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29 |
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30 This should come first in the inheritance list to consume a hint and |
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31 pass remaining arguments to the exception class. |
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32 """ |
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33 def __init__(self, *args, **kw): |
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34 self.hint = kw.pop(r'hint', None) |
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35 super(Hint, self).__init__(*args, **kw) |
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36 |
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37 class RevlogError(Hint, Exception): |
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38 __bytes__ = _tobytes |
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40 class FilteredIndexError(IndexError): |
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41 __bytes__ = _tobytes |
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42 |
7633 | 43 class LookupError(RevlogError, KeyError): |
44 def __init__(self, name, index, message): | |
45 self.name = name | |
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46 self.index = index |
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47 # this can't be called 'message' because at least some installs of |
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48 # Python 2.6+ complain about the 'message' property being deprecated |
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49 self.lookupmessage = message |
7633 | 50 if isinstance(name, str) and len(name) == 20: |
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51 from .node import short |
7633 | 52 name = short(name) |
53 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) | |
54 | |
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55 def __bytes__(self): |
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56 return RevlogError.__bytes__(self) |
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57 |
7633 | 58 def __str__(self): |
59 return RevlogError.__str__(self) | |
7636 | 60 |
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61 class FilteredLookupError(LookupError): |
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62 pass |
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63 |
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64 class ManifestLookupError(LookupError): |
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65 pass |
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66 |
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67 class CommandError(Exception): |
7636 | 68 """Exception raised on errors in parsing the command line.""" |
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69 __bytes__ = _tobytes |
7637 | 70 |
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71 class InterventionRequired(Hint, Exception): |
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72 """Exception raised when a command requires human intervention.""" |
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73 __bytes__ = _tobytes |
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74 |
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75 class Abort(Hint, Exception): |
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76 """Raised if a command needs to print an error and exit.""" |
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77 __bytes__ = _tobytes |
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78 |
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79 class HookLoadError(Abort): |
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80 """raised when loading a hook fails, aborting an operation |
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81 |
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82 Exists to allow more specialized catching.""" |
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83 |
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84 class HookAbort(Abort): |
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85 """raised when a validation hook fails, aborting an operation |
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86 |
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87 Exists to allow more specialized catching.""" |
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88 |
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89 class ConfigError(Abort): |
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90 """Exception raised when parsing config files""" |
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91 |
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92 class UpdateAbort(Abort): |
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93 """Raised when an update is aborted for destination issue""" |
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94 |
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95 class MergeDestAbort(Abort): |
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96 """Raised when an update is aborted for destination issues""" |
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97 |
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98 class NoMergeDestAbort(MergeDestAbort): |
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99 """Raised when an update is aborted because there is nothing to merge""" |
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100 |
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101 class ManyMergeDestAbort(MergeDestAbort): |
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102 """Raised when an update is aborted because destination is ambiguous""" |
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103 |
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104 class ResponseExpected(Abort): |
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105 """Raised when an EOF is received for a prompt""" |
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106 def __init__(self): |
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107 from .i18n import _ |
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108 Abort.__init__(self, _('response expected')) |
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109 |
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110 class OutOfBandError(Hint, Exception): |
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111 """Exception raised when a remote repo reports failure""" |
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112 __bytes__ = _tobytes |
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113 |
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114 class ParseError(Hint, Exception): |
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115 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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116 __bytes__ = _tobytes |
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117 |
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118 class PatchError(Exception): |
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119 __bytes__ = _tobytes |
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120 |
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121 class UnknownIdentifier(ParseError): |
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122 """Exception raised when a {rev,file}set references an unknown identifier""" |
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123 |
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124 def __init__(self, function, symbols): |
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125 from .i18n import _ |
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126 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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127 self.function = function |
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128 self.symbols = symbols |
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129 |
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130 class RepoError(Hint, Exception): |
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131 __bytes__ = _tobytes |
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133 class RepoLookupError(RepoError): |
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134 pass |
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135 |
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136 class FilteredRepoLookupError(RepoLookupError): |
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137 pass |
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138 |
7637 | 139 class CapabilityError(RepoError): |
140 pass | |
7640 | 141 |
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142 class RequirementError(RepoError): |
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143 """Exception raised if .hg/requires has an unknown entry.""" |
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144 |
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145 class StdioError(IOError): |
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146 """Raised if I/O to stdout or stderr fails""" |
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147 |
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148 def __init__(self, err): |
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149 IOError.__init__(self, err.errno, err.strerror) |
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150 |
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151 # no __bytes__() because error message is derived from the standard IOError |
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152 |
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153 class UnsupportedMergeRecords(Abort): |
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154 def __init__(self, recordtypes): |
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155 from .i18n import _ |
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156 self.recordtypes = sorted(recordtypes) |
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157 s = ' '.join(self.recordtypes) |
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158 Abort.__init__( |
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159 self, _('unsupported merge state records: %s') % s, |
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160 hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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161 'more information')) |
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162 |
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163 class UnknownVersion(Abort): |
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164 """generic exception for aborting from an encounter with an unknown version |
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165 """ |
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166 |
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167 def __init__(self, msg, hint=None, version=None): |
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168 self.version = version |
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169 super(UnknownVersion, self).__init__(msg, hint=hint) |
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170 |
7640 | 171 class LockError(IOError): |
172 def __init__(self, errno, strerror, filename, desc): | |
173 IOError.__init__(self, errno, strerror, filename) | |
174 self.desc = desc | |
175 | |
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176 # no __bytes__() because error message is derived from the standard IOError |
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177 |
7640 | 178 class LockHeld(LockError): |
179 def __init__(self, errno, filename, desc, locker): | |
180 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
181 self.locker = locker | |
182 | |
183 class LockUnavailable(LockError): | |
184 pass | |
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185 |
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186 # LockError is for errors while acquiring the lock -- this is unrelated |
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187 class LockInheritanceContractViolation(RuntimeError): |
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188 __bytes__ = _tobytes |
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189 |
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|
190 class ResponseError(Exception): |
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|
191 """Raised to print an error with part of output and exit.""" |
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192 __bytes__ = _tobytes |
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193 |
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194 class UnknownCommand(Exception): |
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195 """Exception raised if command is not in the command table.""" |
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196 __bytes__ = _tobytes |
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197 |
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198 class AmbiguousCommand(Exception): |
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199 """Exception raised if command shortcut matches more than one command.""" |
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200 __bytes__ = _tobytes |
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201 |
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202 # derived from KeyboardInterrupt to simplify some breakout code |
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|
203 class SignalInterrupt(KeyboardInterrupt): |
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204 """Exception raised on SIGTERM and SIGHUP.""" |
7646 | 205 |
206 class SignatureError(Exception): | |
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207 __bytes__ = _tobytes |
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208 |
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209 class PushRaced(RuntimeError): |
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210 """An exception raised during unbundling that indicate a push race""" |
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211 __bytes__ = _tobytes |
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212 |
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213 class ProgrammingError(Hint, RuntimeError): |
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214 """Raised if a mercurial (core or extension) developer made a mistake""" |
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215 __bytes__ = _tobytes |
30573 | 216 |
32402
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error: add a new exception named WdirUnsupported
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parents:
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217 class WdirUnsupported(Exception): |
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218 """An exception which is raised when 'wdir()' is not supported""" |
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219 __bytes__ = _tobytes |
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220 |
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221 # bundle2 related errors |
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222 class BundleValueError(ValueError): |
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223 """error raised when bundle2 cannot be processed""" |
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224 __bytes__ = _tobytes |
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225 |
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226 class BundleUnknownFeatureError(BundleValueError): |
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227 def __init__(self, parttype=None, params=(), values=()): |
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228 self.parttype = parttype |
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229 self.params = params |
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230 self.values = values |
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231 if self.parttype is None: |
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232 msg = 'Stream Parameter' |
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233 else: |
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234 msg = parttype |
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235 entries = self.params |
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236 if self.params and self.values: |
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237 assert len(self.params) == len(self.values) |
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238 entries = [] |
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239 for idx, par in enumerate(self.params): |
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240 val = self.values[idx] |
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241 if val is None: |
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242 entries.append(val) |
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243 else: |
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244 entries.append("%s=%r" % (par, val)) |
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245 if entries: |
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246 msg = '%s - %s' % (msg, ', '.join(entries)) |
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247 ValueError.__init__(self, msg) |
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248 |
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249 class ReadOnlyPartError(RuntimeError): |
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250 """error raised when code tries to alter a part being generated""" |
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251 __bytes__ = _tobytes |
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252 |
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253 class PushkeyFailed(Abort): |
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254 """error raised when a pushkey part failed to update a value""" |
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255 |
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256 def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
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257 ret=None): |
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258 self.partid = partid |
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259 self.namespace = namespace |
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260 self.key = key |
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261 self.new = new |
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262 self.old = old |
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263 self.ret = ret |
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264 # no i18n expected to be processed into a better message |
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265 Abort.__init__(self, 'failed to update value for "%s/%s"' |
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266 % (namespace, key)) |
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267 |
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268 class CensoredNodeError(RevlogError): |
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269 """error raised when content verification fails on a censored node |
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270 |
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271 Also contains the tombstone data substituted for the uncensored data. |
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272 """ |
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273 |
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274 def __init__(self, filename, node, tombstone): |
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275 from .node import short |
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276 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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277 self.tombstone = tombstone |
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278 |
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279 class CensoredBaseError(RevlogError): |
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280 """error raised when a delta is rejected because its base is censored |
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281 |
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282 A delta based on a censored revision must be formed as single patch |
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283 operation which replaces the entire base with new content. This ensures |
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284 the delta may be applied by clones which have not censored the base. |
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285 """ |
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286 |
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287 class InvalidBundleSpecification(Exception): |
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288 """error raised when a bundle specification is invalid. |
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289 |
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290 This is used for syntax errors as opposed to support errors. |
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291 """ |
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292 __bytes__ = _tobytes |
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293 |
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294 class UnsupportedBundleSpecification(Exception): |
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295 """error raised when a bundle specification is not supported.""" |
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296 __bytes__ = _tobytes |
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297 |
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298 class CorruptedState(Exception): |
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299 """error raised when a command is not able to read its state from file""" |
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300 __bytes__ = _tobytes |
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301 |
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302 class PeerTransportError(Abort): |
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303 """Transport-level I/O error when communicating with a peer repo.""" |
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304 |
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305 class InMemoryMergeConflictsError(Exception): |
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306 """Exception raised when merge conflicts arose during an in-memory merge.""" |
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307 __bytes__ = _tobytes |